Nathan is a very gifted Mexican scientist specializing in cellular biology. He is a very withdrawn man, good, solitary and helpful, who has a secret passion for Maya, one of his colleagues at work. But soon their lives are shaken by an encounter with Jacques, a man with supernatural powers.

After a police raid, commanding officer Alberto has confiscated a large sum of money from a powerful drug dealer named Bartolomé. Bartolomé is pure evil and wants his money back, so he makes a plan to recover his money that involves kidnapping Alberto's son and forcing Alberto's wife, a famous runner, to run the local marathon.

The story is about Katy, now grown up as a lovely butterfly, and her children, young twin caterpillars names Kiki and Koko, facing off against aliens who came to their forest searching for food which happens to be inhabitants of the forest. With the help of their friends, Katy, Kiki and Koko were able to defeat the alien X and save their forest and its inhabitants. The sequel to "Katy the Caterpillar."

It's 1994 in Mexico, the nation was witnessing a turbulent year since its beginnings. An indigenous rebellion shakes the country. Three months later, the ruling party's presidential candidate is brutally murdered during a rally in Tijuana. The country is concerned. Nobody knows who's behind this event, it all points to a conspiracy. Andrés Vázquez, an intelligence expert, is commissioned to lead a secret investigation parallel to the official government issued one. But another expert agent, el Seco, has received orders to wipe out all witnesses and get rid of the evidence surrounding the candidate's murder. As Andrés begins putting the pieces of this intricate puzzle together and comes closer to the truth, he realizes he's also putting his life and that of his loved ones in peril.

A woman is determined to stop the wedding of her best friend, since she has been secretly in love with him.

Returning to Earth as an imitator, the legendary Mexican artist Pedro Infante must prove that he is no longer a womanizer to enter paradise.